As attention turns to this year's New York City Marathon, observers will again ask a long-standing question: What do athletes ...

For some, a crappy run can mean something more literal. We asked experts about what causes runner’s diarrhea, and how to ...

For the second time in two years I collected my race number from the expo for the London Marathon and then failed to get to the finish line. Last year, injury at mile 20 meant it was a DNF (did not ...